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Product profile
Customization
AvailableColor
CopperMaterial
Copper, C11000/SPHCModel NO.
C11000/SPHC/C11000Product Type
StripCarbon Content
Medium CarbonPCD
Customize as NeededET
Customize as NeededHole
Customize as NeededTransport Package
Carton, PalletSpecification
brass / steelTrademark
EstarOrigin
NingboHS Code
721260000Production Capacity
10000tons/YearsKey features
Customizable Dimensions: PCD, ET, and Hole dimensions can be customized as needed to meet specific requirements.
High Bonding Strength: Copper-steel composite material features excellent elongation and high bonding strength.
Military Grade Performance: Ideal for bullet shells and detonators with high yield, dimensional accuracy, and corrosion resistance.
Low Resistivity: Composite material offers low resistivity and high tensile strength for efficient performance.
Vacuum Annealing Process: Annealed at 650-850 C in a vacuum furnace to melt structural molecules for superior bonding.
Excellent Surface Quality: Surface quality is comparable to pure copper with a lubricating effect to reduce barrel wear.
High Production Efficiency: Continuous processing capability ensures high consistency and improved bullet production efficiency.
Versatile Material Options: Available with F11, F18, or SPHC steel base and H90 copper cladding in various configurations.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2020-09-01Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤24hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CIF, EXW
AI-Powered supplier vetting
SummaryNingbo Estar Metal Material Co., Ltd. is a trading company based in Zhejiang, China, specializing in metal materials with a focus on copper clad steel products. The company is certified under ISO9001 and ISO14000 and has a technological R&D center. Despite its small size, with only three employees, it maintains a significant export operation, with 71% to 90% of sales from exports. The company claims to have close ties with domestic and international military enterprises. Their lead time varies between one month and three months, depending on the season.
Supplier typeNingbo Estar Metal Material Co., Ltd. is classified as a trading company with a focus on the metal materials industry.
CertificationsThe company holds ISO9001 quality management and ISO14000 environmental management system certifications.
R&D capabilityThe company has a technology R&D center and claims technical achievements and practical patents, indicating some level of innovation capability.
Production capacityThe company operates two production lines with various machines and equipment, and its annual production output is between US$10 Million and US$50 Million.
Customization capabilityThe company specializes in designing and manufacturing stamping supporting molds and offers products in various fields, suggesting a degree of customization capability.
Client casesThe company maintains close cooperation with many domestic and foreign military enterprises, implying credible customer cases in the military sector.
Product Q&A
Q:Can the dimensions be customized?
A:
Yes, PCD, ET, and Hole dimensions can be customized as needed.
Q:What are the main applications of this material?
A:
It is widely used in military products such as bullet shells and detonators due to its high strength and accuracy.
Q:What is the chemical composition of the composite?
A:
The composition is 5-20% copper and 80-95% steel, with specific grades like F11, F18, and SPHC available.
Q:How is the material prepared?
A:
It is prepared by cold rolling copper and steel strips, followed by vacuum annealing at 650-850 C.
Q:What are the mechanical properties?
A:
Tensile strength ranges from 265 to 455 MPa with elongation up to 43% depending on the grade.
Send Inquiry
*To:
Ningbo Estar Metal Material Co., Ltd.
Ningbo Estar Metal Material Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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